Question 1
Question
All of the following statements about electromagnetic radiation are true except
Answer
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visible light represents a large portion of the electromagnetic spectrum
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photons of visible light contain more energy than photons of microwave radiation
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a wavelength is the distance between two successive crests of a wave
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the wavelength of visible light is usually measured in nanometers
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a prism can be used to separate light into colors
Question 2
Question
The color of a green leaf is due to
Question 3
Question
A byproduct of photosynthesis is
Answer
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carbon dioxide
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water
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oxygen
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glucose
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chlorophyll
Question 4
Question
All of the following are true of light dependent reactions of photosynthesis except
Answer
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NADPH is produced
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photolysis occurs
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ATP is produced
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glucose is produced
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it requires light
Question 5
Question
The oxygen used to build sugars during photosynthesis
Question 6
Answer
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is the first photosystem in the series
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has a reaction center with 2 beta carotene molecules poised to release high energy electrons
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absorbs energy with a frequency of 680 nm
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gets its replacement electrons directly from photolysis
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is the only photosystem used in the cyclic pathway
Question 7
Question
Which of the following is not part of the light dependent reactions
Answer
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stroma
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the thylakoid membrane
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P680
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photolysis
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ATP formation
Question 8
Question
Which of the following is not associated with a change in H+ concentration across the thylakoid membrane
Answer
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ETC
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photolysis
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NADPH formation
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rubsico
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ATP synthase
Question 9
Question
Which of the following is not true of light independent reactions
Question 10
Question
Light dependent reactions occur
Question 11
Question
Which of the following is an adaptation that some plants have made to continue photosynthesis at high rates, even under arid conditions?
Answer
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conduct the light independent reactions during the day and the light independent reactions at night
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photorespiration
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fix CO2 during the day and then use it at nighttime
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fix CO2 in 1 type of cell and then transfer it to another type of cell where it will be fixed a second time
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use rubisco to fix carbon during the night
Question 12
Question
The common distribution patterns of vascular tissue in eudicot stems are characterized by vascular bundles being
Answer
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organized in lines throughout ground tissue
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organized in rings within the ground tissue
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scattered without a definite pattern throughout the ground
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scattered but with the phloem inside the xylem
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organized with alternating rings of xylem and phloem
Question 13
Question
The difference between apical meristem and lateral meristem is that
Answer
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the apical meristem develops into bark and the lateral mersitem into cork
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the apical meristem gives rise to photosynthetic cells where the lateral gives rise to non photosynthetic cells
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the lateral meristem is responsible for primary growth and the apical meristem is responsible for secondary growth
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the lateral meristem is responsible for lengthening whereas the apical meristem is responsible for thickening
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the apical meristem is responsible for lengthening whereas the lateral meristem is responsible for thickening
Question 14
Question
Phloem is the transport of ________ as xylem is to the transport of ________.
Question 15
Question
Photosynthetic cells in the mesophyll are
Answer
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parenchyma
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sclerenchyma
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collenchyma
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vascular
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dermal
Question 16
Question
Increased surface are for the absorption of water at the root level in vascular plants occur primarily because of
Answer
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tubers
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root hairs and nodules
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rhizome
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strobilus
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stolon and tubers
Question 17
Question
During transpiration, water molecules stick together in order to move through the xylem because of
Answer
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positive pressure
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negative pressure
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cohesion
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adhesion
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water potential
Question 18
Question
Sugar is transported from leaves to roots primarily because of
Answer
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the pumping source of xylem vessels
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transpiration of water molecules
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cohesion-tension mechanism
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a pressure gradient between the source and the sink
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a water potential gradient
Question 19
Question
Guard cells swell and open the stomata when
Answer
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solutes, like potassium ions, are pumped out of cells
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soil water becomes scarce
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it is the night for most C3 plants and C4 plants
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there are chemical pollutants in the air
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water along with ions like potassium and calcium move into the cells
Question 20
Question
In a flowering plant, fertilization occurs in the
Answer
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stigma
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style
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ovary
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anther
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filament
Question 21
Question
During the plant life cycle, meiosis produces
Question 22
Question
When the sperm cell from the pollen tubes fuses with the egg and another sperm cell fuses with the endosperm mother cell, it is known as
Answer
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pollinization
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double fertilization
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coevolution
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germination
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penetration
Question 23
Question
Which of the following methods of reproduction does not end with the offspring having identical genes to the parent plant
Question 24
Question
Which of the following hormones is not correctly matched with its function
Answer
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giberellins stimulate cell division in the stem tip and young leaves
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auxins stimulate cell elongation in growing tissues and inhibit growth at the axillary bud
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abscisic acid opens stomata by pushing solutes into cells
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cytokinins inhibit aging in the leaves
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ethylene stimulates ripening in fruit
Question 25
Question
In order to reset a biological clock, phytochrome is stimulates to switch from an inactive to active form by
Answer
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blue light
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green light
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purple light
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red light
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far-red light
Question 26
Question
If a plant only blooms if it gets more than 12 hours of sunlight it is considered to be a
Answer
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long day plant
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short day plant
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long night plant
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biennial
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perennial